Alaska earthquakes

M4.5 earthquake 15 km SW of Eielson Air Force Base, Alaska

A magnitude 4.5 earthquake struck 15 km SW of Eielson Air Force Base, Alaska on Mon, Jul 11, 1977, 6:57 AM GMT-9 (15:57 UTC), 14 km (9 mi) below the surface.

Eielson Air Force Base forecastMore in Alaska

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1977-07-11 15:57:17 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
64.561° N, 147.266° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
30

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000ppf. Read Tue, Sep 22, 2026, 4:54 AM UTC.